"While it’s somewhat disappointing that the sensor in the AW1 is the same unit found on the Nikon 1 J3 and V2 models, it’s not really surprising.
Given the competitive price, which is less than most dedicated underwater housings, the AW1 is an attractive option for thrill-seeking outdoor photographers, and it’s just as home on the beach in the summer. Adopting an extended mount, with twin-seals for the new lenses while retaining compatibility with the original 1 Nikkor lenses, was a clever yet crucial solution, greatly expanding the AW1’s flexibility and potential popularity. As such, the AW1 is an intriguing reinvention of the system."

DC.Watch published another interview with Nikon's executive (Nobuaki Sasakaki of Nikon Imaging Company Marketing Division). You can see the main points from the interview here. If you have a better translation, please post it in the comments or email me.

→ Apple Digital Camera RAW Compatibility Update 5.02 is now available with support for the Nikon D5300 and Df.